Added defines for fast mutex in glibc 2.2 (should be safe)

Fixed crash in SELECT DISTINCT SUM(...)
Fix return value of mysortncmp() for innobase
Fix join_crash bug


Docs/manual.texi:
  Changelog
include/my_pthread.h:
  Added defines for fast mutex in glibc 2.2
mysql-test/t/join_crash.test:
  Changed table names to t1,t2...
mysys/my_bitmap.c:
  Use fast mutex
mysys/my_open.c:
  Use fast mutex
mysys/my_pthread.c:
  Use fast mutex
mysys/my_thr_init.c:
  Use fast mutex
mysys/my_winthread.c:
  Use fast mutex
mysys/thr_mutex.c:
  Use new mutexattr with error checking
sql/ha_innobase.cc:
  Fix return value of mysortncmp() for innobase
sql/sql_select.cc:
  Fix join_crash bug
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

1 files changed, 1 insertions, 12 deletions

diff --git a/mysys/thr_mutex.c b/mysys/thr_mutex.c
index 7cc3b30aaf9..fa7ae4f1e82 100644
--- a/mysys/thr_mutex.c
+++ b/mysys/thr_mutex.c
@@ -43,19 +43,8 @@ int safe_mutex_init(safe_mutex_t *mp,
 		    const pthread_mutexattr_t *attr __attribute__((unused)))
 {
   bzero((char*) mp,sizeof(*mp));
-#ifdef HAVE_LINUXTHREADS			/* Some extra safety */
-  {
-    pthread_mutexattr_t tmp;
-    pthread_mutexattr_init(&tmp);
-    pthread_mutexattr_setkind_np(&tmp,PTHREAD_MUTEX_ERRORCHECK_NP);
-    pthread_mutex_init(&mp->global,&tmp);
-    pthread_mutex_init(&mp->mutex, &tmp);
-    pthread_mutexattr_destroy(&tmp);
-  }
-#else
-  pthread_mutex_init(&mp->global,NULL);
+  pthread_mutex_init(&mp->global,MY_MUTEX_INIT_ERRCHK);
   pthread_mutex_init(&mp->mutex,attr);
-#endif
   return 0;
 }